滚筒干燥器毕业设计.docx

滚筒干燥器毕业设计.docx

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滚筒干燥器毕业设计

摘要

预糊化营养米粉具有速溶即食的特点，是最易消化的大米制品。

根据不同消费对象和不同配方又可分为：

婴幼儿营养米粉、老年营养米粉和方便营养米粉。

目前，这类食品具有广阔的市场前景.

滚筒干燥器是通过转动的圆筒，以热传导的方式，将吸附在筒体外壁的液状物料或带状物料，进行干燥的一种连续操作设备。

其操作过程为：

需干燥的处理的料液由高位槽流入滚筒干燥器的受料槽内。

干燥滚筒在传动装置的驱动下，按规定的转速转动。

物料由布膜装置，在滚筒壁面上形成料膜。

筒内连续通入供热介质，加热筒体，由筒壁传热传热使料膜的湿分汽化，在通过刮刀将达到干燥要求的物料刮下，经过螺旋输送最后干燥器将成品输送到储槽内，然后进行包装。

关键词：

米粉；干燥；滚筒干燥器

Abstract

Pregelatinizationnutritionwithinstantnoodles,ready-to-eatcharacteristicsisthemostindigestiblepartsofriceproducts.Accordingtodifferentconsumertargetsandcanbedividedintodifferentformula:

Infantnutritionricenoodles,ricenoodlesandtheelderlynutritionconvenientnutritionricenoodles.Atpresent,suchfoodhasbroadmarketprospects.

Drumdryerthroughtherotatingcylindertoheatconduction,willbeadsorbedontheoutershellofliquidmaterialorherpesmaterials,adrycontinuousoperationofequipment.

Itsoperatingprocess:

theneedtodrythefeedtroughflowsfromthepeakofthedrumdryersubjectwithinthetrough.Drumdryinginthedrivinggear,accordingtotherotationalspeed.Materialsfromclothmembranedevice,thecylinderwalltoformmembranematerials.Tubeleadstocontinuousheatingmedium,theheatingcylinder,heatfromWallheattransfermembranematerialmadeofmoistureevaporation,throughscraperwillreachtherequirementsofthedrymaterialscrapedthroughthelastscrewconveyordryerwillbefinishedsendingtanks,thenpackaged.

KeyWords:

ricenoodles;dry;drumdryer

摘要...................................................................................................................................III

ABSTRACT......................................................................................................................IV

目录...................................................................................................................................V

1绪论...............................................................................................................................1

1.1本课题研究的内容的意义...................................................................................1

1.2国内外的发展概况...............................................................................................1

1.3本课题设计的目的.................................................................................................2

1.4本课题设计的要求和思想.....................................................................................2

1.5概述.........................................................................................................................2

1.6原材料供应情况及公用设施要求.........................................................................2

1.7工艺设计.................................................................................................................3

1.8主要设备（年产1000吨生产能力）...................................................................3

2滚筒干燥器特性原理...................................................................................................6

2.1滚筒干燥器的特点.................................................................................................6

2.2滚筒干燥器的基本原理.........................................................................................6

2.3滚筒干燥器的分类.................................................................................................7

2.4被干燥物料及干燥介质的特性.............................................................................7

2.4.1被干燥物料的特性..........................................................................................7

2.4.2干燥介质的特性..............................................................................................8

2.5干燥过程的节能...................................................................................................8

2.6改进干燥设备，强化干燥过程...........................................................................8

3滚筒干燥器的计算.....................................................................................................10

3.1滚筒干燥器的条件参数.......................................................................................10

3.2滚筒干燥器结构参数的计算...............................................................................10

3.2.1物料和热量衡算干燥器的生产负荷......................................................10

3.2.2滚筒干燥器干燥面积，筒体直径，长度确定..........................................10

3.2.3滚筒干燥器的功率计算................................................................................11

3.2.4传动装置设计................................................................................................12

3.2.5滚筒组件的强度和刚度计算........................................................................16

3.2.6密封罩和排气管的设计................................................................................24

4设备的安装和调试.....................................................................................................26

4.1设备的安装...........................................................................................................26